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The truth is little to nothing by itself. W208's respond to a total package grouping of performance mods only when done in unison but to be honest, you may actually lose 2-3 low range hp/tq #'s to gain maybe 5-7 on the top end.
Also use the forum search for Eisenmann. There's a lot there

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Thans guys for your reply, that is the exact same as what the muffler shop said. Mercedes tunes their cars to get the best preformance out of their exhaust, the only way is to do headers, intake, and the full pipe to notice the difference. what about a TCU and an ECU upgrade are those worth it?

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I had my ECU flashed by INMontionusa.com a few years ago and noticed a nice improvement in performance based on my butt dyno. I later put in a cold air intake fabed by vipclk320, short tube headers fabed by ghostrider and then I added a Sprintbooster. All made my car much more fun to drive than the original. I have yet to change the exhaust because it is not even close to being worn out. I stated before, I can't see spending a grand on a stainless steel muffler and another 7-8 hundred on a free flow resonator and removing the secondary cats before they are ready to go south. Yer talkin a couple grand to get the exhaust up to speed. My wife would kill me.
I know nothing about a TCU upgrade. The SprintBooster makes for much quicker downshifts if thats what you are looking for.

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I had my ECU flashed by INMontionusa.com a few years ago and noticed a nice improvement in performance based on my butt dyno. I later put in a cold air intake fabed by vipclk320, short tube headers fabed by ghostrider and then I added a Sprintbooster. All made my car much more fun to drive than the original. I have yet to change the exhaust because it is not even close to being worn out. I stated before, I can't see spending a grand on a stainless steel muffler and another 7-8 hundred on a free flow resonator and removing the secondary cats before they are ready to go south. Yer talkin a couple grand to get the exhaust up to speed. My wife would kill me.
I know nothing about a TCU upgrade. The SprintBooster makes for much quicker downshifts if thats what you are looking for.

thanks for the reply, see the car goes like a bat out of hell once it is in second gear, first gear though seems to be lazy and that's what i want to get rid off. i know that is common with benz that they are a little lazy until about 3k rpm so I was hoping for more throttle resonse.

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I'm late to the party but don't waste your money on an Eisenmann, the performance you're going to get for the cost, if any at all, is not worth it. If you're looking for 'the sound', get yourself a Magnaflow. After you do that, you can take yourself out to dinner to thank yourself for saving a lot of money.

Originally Posted by BENSIN
They should make giant plastic butt cheeks with a giant ass hole and install this thing at the end of the E Coupe assembly line, so that each P.O.S. is 'deservingly' pooped out.

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